nix-config/dotfiles/.zsh_functions

##################################################################################
# 
#    New Start: A modern Arch workflow built with an emphasis on functionality.
#    Copyright (C) 2017 Donovan Glover
# 
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
# 
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
# 
#    You should have received a copy of the GNU General Public License
#    along with this program.  If not, see <https://www.gnu.org/licenses/>.
# 
##################################################################################

####################################################################
# Screen resolution functions (also changes DPI, but not for the
# programs and other software that you already have open)
####################################################################

# Easily change the resolution to 1080p
function 1080p() {
    xrandr --output VGA-1 --mode "1920x1080"        # Change the resolution
    sed -i '/Xft.dpi/c\Xft.dpi: 96' ~/.Xresources   # Change the dpi line to 96
    xrdb ~/.Xresources                              # Reload .Xresources
}

# Easily change the resolution to 4k
function 4k() {
    # Get the display type (VGA-1, etc.)
    local display=$(xrandr | grep -Eo ".{0,20} connected" | awk '{print $1}')

    # Get the default mode name for 4k
    local mode=$(cvt 3840 2160 | grep "Modeline" | awk '{print $2}') 
    
    # If the 4k mode hasn't been added yet
    if [[ !(xrandr | grep -q 3840x2160) ]]; then

        # Create the new mode with cvt settings
        xrandr --newmode $(cvt 3840 2160 | grep -o '"3840x2160.*')

        # Add the new mode to the display with xrandr
        xrandr --addmode ${display} ${mode}

    fi 

    xrandr --output ${display} --mode ${mode}       # Change the resolution to 4k
    sed -i '/Xft.dpi/c\Xft.dpi: 180' ~/.Xresources  # Change the dpi line to 180
    xrdb ~/.Xresources                              # Reload .Xresources
}

####################################################################
# Git functions
####################################################################

# Easily clone and cd into GitHub repositories 
function hub() {
    git clone ssh://git@github.com/$1.git
    cd $(basename "$1")
}

# Do the same for GitLab
function lab() {
    git clone git@gitlab.com:$1.git
    cd $(basename "$1")
}

# Easily cd into the "home" directory of any repository you're working in
# This needs to be a function instead of an alias since it relies on `external calls`
function gh() {
    cd `git rev-parse --show-toplevel`
}

####################################################################
# Utility functions
####################################################################

# Take a screenshot after a certain amount of time
function ss() {
	(sleep $1 && shotgun) &
}

# Automatically open the readme in any repository
function readme() {
    local readme=`ls | grep README`
    if [[ $readme ]]; then
        lvim $readme
    else
        echo "No README found."
    fi
}

# Extract any file easily
function extract() {
    if [ -z "$1" ]; then
        echo "You must specify a file to extract."
        echo "Usage: extract <filename>"
        return 1
    fi

    if [ -f $1 ]; then
        case $1 in
            *.rar) unrar x -ad  ../$1 ;; # Proprietary rar format
            *.zip) unzip        ../$1 ;; # Simple and clean zip files
            *.7z) 7z x          ../$1 ;; # Free and open source 7z format
            # Other formats
            *.tar.bz2) tar xvjf ../$1 ;;
            *.tar.gz) tar xvzf  ../$1 ;;
            *.tar.xz) tar xvJf  ../$1 ;;
            *.lzma) unlzma      ../$1 ;;
            *.bz2) bunzip2      ../$1 ;; 
            *.gz) gunzip        ../$1 ;;
            *.tar) tar xvf      ../$1 ;;
            *.tbz2) tar xvjf    ../$1 ;;
            *.tgz) tar xvzf     ../$1 ;;
            *.xz) unxz          ../$1 ;;
            *.Z) uncompress     ../$1 ;;
            # Fallback if none of these work
            *) echo "extract: '$1' - Unknown archive method." ;;
        esac
    else
        echo "extract: '$1' - File does not exist."
    fi
}

####################################################################
# Opening things and other launcher functions
####################################################################

# TODO: Easily play any video (both online and offline)
function play() {
    if [ -z "$1" ]; then
        echo "You need to pass something to play."
        echo "Usage: play <pattern to search for>"
        return 1
    fi
    # TODO: Figure out why this doesn't work for certain inputs
    launch mpv "`ls | grep -i \"$1\"`"
}

# TODO: Easily open any file
function open() {
    echo "TODO"
}